Your Guide to the Solar System and the Night Sky
Donate now! You'll help cover server costs, enhance the site and keep it ad-free.
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:44  
clear_day Transit: 12:57  
SunsetSet: 21:11 south
wb_twilight Astronomical TwilightWhat's Visible Now
All Constellations » Cetus » 


Altitude: -24.1°   Azimuth: 73.4°   Direction: East-North-East

HR444 is a variable hypergiant star in the constellation of Cetus.

HR444 visual magnitude is 6.59. Because of its reltive faintness, HR444 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about HR444:


HR444 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -24.1°
Azimuth: 73.4°
Direction: East-North-East

Celestial coordinates and finder chart of HR444

HR444 is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR444 are provided in the following table:

01h 33m 03s
-09° 00’ 52”

The simplified sky map below shows the position of HR444 in the sky:

Finder chart HR444 star
Simplified finder chart for HR444.

Visibility of HR444 from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's HR444 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 99.0°
Max altitude: 29.5°
Azimuth: 261.0°
HR444 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR444

The image below is a photograph of HR444 from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of HR444 is 0.029 arcsec per year in Right Ascension and 0.003 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR444 star
DSS2 image of HR444. The red arrow shows the motion of HR444 during the next 10000 years (4.83 arcmin in Right Ascension and 0.50 arcmin in declination);

Distance of HR444 from the Sun and relative movement

HR444 is distant 404.47 light years from the Sun and it is moving far from the Sun at the speed of 10 kilometers per second.

124.07 pc
404.47 ly
10 km/s
0.029 arcsec/year
0.003 arcsec/year

Spectral properties of HR444

HR444 belongs to spectral class A0 and has a luminosity class of III corresponding to a hypergiant star.


The red dot in the diagram below shows where HR444 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR444. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR444